208045125

素因数分解:

$3^3\times 5^3\times {\mathrm{61643}}^1$

素因数の和:61667

約数の個数: 32

約数和(自身を含む): 384658560

約数和(自身を除く): 176613435

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 61643, 184929, 308215, 554787, 924645, 1541075, 1664361, 2773935, 4623225, 7705375, 8321805, 13869675, 23116125, 41609025, 69348375, 208045125]

約数ペア:

[(1, 208045125), (3, 69348375), (5, 41609025), (9, 23116125), (15, 13869675), (25, 8321805), (27, 7705375), (45, 4623225), (75, 2773935), (125, 1664361), (135, 1541075), (225, 924645), (375, 554787), (675, 308215), (1125, 184929), (3375, 61643)]